129621909 (number)

129621909 is an odd 9-digits composite number following 129621908 and preceding 129621910. In scientific notation, it is written as 1.29621909 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 81492096 positive integers (up to 129621909) that are relatively prime to 129621909.

Interesting facts

Basic properties

Name

Name one hundred twenty-nine million six hundred twenty-one thousand nine hundred nine

Notation

Scientific notation 1.29621909 × 10^8
Engineering notation 1.29621909 × 10^6

Prime Factorization of 129621909

Prime Factorization 3 × 29 × 43 × 34649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129621909
Product of the distinct prime numbers

The prime factorization of 129621909 is 3 × 29 × 43 × 34649. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 56, 35, 357, 74, 8184, 8486, 9927, 54164, 431632, 131774, 3311863, 565050, 51656347, 19939993, 481445388, 475461286, 2756773189, 5434094416

Basic calculations (n = 129621909)

Multiplication

n×y
n×2 259243818
n×3 388865727
n×4 518487636
n×5 648109545

Division

n÷y
n÷2 64810954.5
n÷3 43207303
n÷3 32405477.25
n÷5 25924381.8

Exponentiation

ny
n2 16801839292804281
n3 2.1778864838445E+24
n4 2.8230180362122E+32
n5 3.6592498699526E+40

Nth Root

y√n
2√n 11385.161790682
3√n 506.08811418889
4√n 106.70127361321
5√n 41.9310446789

Divisors of 129621909

1, 3, 29, 43, 87, 129, 1247, 3741, 34649, 103947, 1004821, 1489907, 3014463, 4469721, 43207303, 129621909

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -129621908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 129621909 can be divided by 16 positive divisors. The sum of these divisors (counting 129621909) is 1, the average is 0.0625.

Base conversion 129621909

Base System Value
2 Binary 111101110011101111110010101
3 Ternary 100000220110211110
4 Quaternary 13232131332111
5 Quinary 231140400114
6 Senary 20510125233
8 Octal 756357625
10 Decimal 129621909
12 Duodecimal 374b0819
16 Hexadecimal 7b9df95
20 Vigesimal 20a2ef9
36 Base36 2568wl

Cryptographic Hash Functions

md5 95d0cd47af2f7cefb9d1ab0cfb110cdd
sha1 3a2655b1bbbf6fbaa4579f473932f43de59af3ea
sha256 01b12e04da0ab7707587d17b5ec05a27cc2476b73b1e0a4d82cbd4b244a35e11
sha512 a3c868cdbf03b8d9b413884d5c8413d41a4136553ce3922986d09bda63939c4e7edf55ca46fb7323df6d7655a8fe9a89ba23d8e07c03850153d7763adfc12c72
ripemd-160 75198e09a5608558381f20145b528f544ef97a71

129621909 as geometric shapes

Circle

Radius = n
Diameter 259243818
Circumference 814438474.11737
Area 5.278453488907E+16

Sphere

Radius = n
Volume 9.1227095706645E+24
Surface area 2.1113813955628E+17
Circumference 814438474.11737

Square

Length = n
Perimeter 518487636
Area 16801839292804281
Diagonal 183313061.68849

Cube

Length = n
Surface area 100811035756825686
Volume 2.1778864838445E+24
Space diagonal 224511732.16207

Equilateral Triangle

Length = n
Perimeter 388865727
Area 7.275409828936E+15
Altitude 112255866.08103

Triangular Pyramid

Length = n
Surface area 7.275409828936E+15
Volume 2.566663835635E+23
Height 61104353.896164